Cricoid Pressure RCT in Australia by Dr Chris Trethewy -Startling RESULTS! Posted byketaminhOctober 28, 2015Posted inOnline critical airway trainingTags:chris-trethewy, cricoid, RCT Chris Trethewy Cricoid Pressure from John Mackenzie on Vimeo. Here is his study protocol Effectiveness of cricoid pressure in preventing gastric aspiration during rapid sequence intubation in the emergency department: study protocol for a randomised controlled trial Share this: Click to print (Opens in new window) Print Click to email a link to a friend (Opens in new window) Email Like Loading...